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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Hydraulic Brakes - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC C0588-C058A >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC C0588, C0589, C058A is not set.
    • If the DTC is set 

      Replace the component: A104 Brake Master Cylinder

    • Go to next step: If the DTC is not set 
  3. All OK.
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